Mechanical Operations Colloid mills achieve size reduction mainly by Compression Cutting Impact Attrition Compression Cutting Impact Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Feed size of ≥ 25 cms can be accepted by Jaw crusher Ball mill Fluid energy mill Rod mill Jaw crusher Ball mill Fluid energy mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 50 0.014 0.3 0.007 50 0.014 0.3 0.007 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Neither A nor B Both A & B Hammer Cage Neither A nor B Both A & B Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Dry Intermediate Wet Ultrafine Dry Intermediate Wet Ultrafine ANSWER DOWNLOAD EXAMIANS APP
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